Definition of blow one's lid or top or stack or cool in English:

blow one's lid (or top or stack or cool)

informal Lose one’s temper.
More example sentences
  • You'd think he would've blown his lid when he realized the chef was downstairs.
  • ‘I've seen him be patient with things where he would normally blow his lid.’
  • I thought my dad was going to blow his lid when the guy came around with the crumb collector.
See parent entry: blow

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards